Bug 244495

Application: k3b (1.91.0)
KDE Platform Version: 4.4.2 (KDE 4.4.2)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-22-generic x86_64
Distribution: Ubuntu 10.04 LTS

-- Information about the crash:
While k3b was burning a ISO image and had another data project open I deleted one of the directories on disc that was part of the data project. k3b crashed.

 -- Backtrace:
Application: K3b (k3b), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f4591487760 (LWP 3215))]

Thread 3 (Thread 0x7f457b35d710 (LWP 3233)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:211
#1  0x00007f458bd990e5 in thread_sleep (ti=0x7f457b35cd80) at thread/qthread_unix.cpp:398
#2  0x00007f458bd99296 in QThread::sleep (secs=<value optimized out>) at thread/qthread_unix.cpp:412
#3  0x00007f4590d56d45 in K3b::MediaCache::PollThread::run (this=0x2320790) at /build/buildd/k3b-1.91.0~rc2/libk3b/tools/k3bmediacache.cpp:106
#4  0x00007f458bd99775 in QThreadPrivate::start (arg=0x2320790) at thread/qthread_unix.cpp:248
#5  0x00007f458bb099ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#6  0x00007f458a1a86fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f4571465710 (LWP 3260)):
#0  0x00007f458a19bf83 in *__GI___poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f45861734a9 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007f45861738fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#3  0x00007f458beb7566 in QEventDispatcherGlib::processEvents (this=0x29ae0f0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:414
#4  0x00007f458be8c992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007f458be8cd6c in QEventLoop::exec (this=0x7f4571464db0, flags=) at kernel/qeventloop.cpp:201
#6  0x00007f458bd96d59 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:487
#7  0x00007f458be6d178 in QInotifyFileSystemWatcherEngine::run (this=0x2a804d0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f458bd99775 in QThreadPrivate::start (arg=0x2a804d0) at thread/qthread_unix.cpp:248
#9  0x00007f458bb099ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#10 0x00007f458a1a86fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f4591487760 (LWP 3215)):
[KCrash Handler]
#5  0x000000000051d5e0 in K3b::MetaItemModel::parent (this=0x2330da0, index=<value optimized out>) at /build/buildd/k3b-1.91.0~rc2/src/k3bmetaitemmodel.cpp:482
#6  0x00007f458be80473 in QModelIndex::parent (this=<value optimized out>) at kernel/qabstractitemmodel.h:389
#7  QPersistentModelIndex::parent (this=<value optimized out>) at kernel/qabstractitemmodel.cpp:347
#8  0x00007f458b32a71a in QItemSelectionRange::isValid (this=<value optimized out>, index=...) at itemviews/qitemselectionmodel.h:108
#9  QItemSelectionModel::isSelected (this=<value optimized out>, index=...) at itemviews/qitemselectionmodel.cpp:1198
#10 0x00007f458b31f21b in QTreeView::drawRow (this=<value optimized out>, painter=<value optimized out>, option=<value optimized out>, index=<value optimized out>) at itemviews/qtreeview.cpp:1594
#11 0x00007f458b3195b6 in QTreeView::drawTree (this=0x2375ac0, painter=<value optimized out>, region=<value optimized out>) at itemviews/qtreeview.cpp:1433
#12 0x00007f458b31a093 in QTreeView::paintEvent (this=0x2375ac0, event=0x7fffe58b60d0) at itemviews/qtreeview.cpp:1266
#13 0x00007f458ae07162 in QWidget::event (this=0x2375ac0, event=0x7fffe58b60d0) at kernel/qwidget.cpp:8144
#14 0x00007f458b1ae4e6 in QFrame::event (this=0x2375ac0, e=0x7fffe58b60d0) at widgets/qframe.cpp:557
#15 0x00007f458b2dd26b in QAbstractItemView::viewportEvent (this=0x2375ac0, event=0x7fffe58b60d0) at itemviews/qabstractitemview.cpp:1610
#16 0x00007f458b318902 in QTreeView::viewportEvent (this=0x2375ac0, event=0x7fffe58b60d0) at itemviews/qtreeview.cpp:1248
#17 0x00007f458be8d487 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x23b9440, event=0x7fffe58b60d0) at kernel/qcoreapplication.cpp:819
#18 0x00007f458adb11fc in QApplicationPrivate::notify_helper (this=0x21c7d20, receiver=0x23b9440, e=0x7fffe58b60d0) at kernel/qapplication.cpp:4296
#19 0x00007f458adb76fb in QApplication::notify (this=0x7fffe58baed0, receiver=0x23b9440, e=0x7fffe58b60d0) at kernel/qapplication.cpp:4183
#20 0x00007f458d047526 in KApplication::notify (this=0x7fffe58baed0, receiver=0x23b9440, event=0x7fffe58b60d0) at ../../kdeui/kernel/kapplication.cpp:302
#21 0x00007f458be8e06c in QCoreApplication::notifyInternal (this=0x7fffe58baed0, receiver=0x23b9440, event=0x7fffe58b60d0) at kernel/qcoreapplication.cpp:704
#22 0x00007f458ae0f7dd in QCoreApplication::sendSpontaneousEvent (this=0x2369500, pdev=<value optimized out>, rgn=..., offset=<value optimized out>, flags=<value optimized out>, sharedPainter=0x0, 
    backingStore=0x26475b0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#23 QWidgetPrivate::drawWidget (this=0x2369500, pdev=<value optimized out>, rgn=..., offset=<value optimized out>, flags=<value optimized out>, sharedPainter=0x0, backingStore=0x26475b0)
    at kernel/qwidget.cpp:5339
#24 0x00007f458afc9866 in QWidgetBackingStore::sync (this=0x26475b0) at painting/qbackingstore.cpp:1283
#25 0x00007f458ae00b60 in QWidgetPrivate::syncBackingStore (this=0x7f4574002510) at kernel/qwidget.cpp:1672
#26 0x00007f458ae07865 in QWidget::event (this=0x7f4574004100, event=0x2d5d830) at kernel/qwidget.cpp:8291
#27 0x00007f458b1c9cab in QMainWindow::event (this=0x7f4574004100, event=0x2d5d830) at widgets/qmainwindow.cpp:1433
#28 0x00007f458d15e6f3 in KXmlGuiWindow::event (this=0x275c3e0, ev=0x2330da0) at ../../kdeui/xmlgui/kxmlguiwindow.cpp:131
#29 0x00007f458adb122c in QApplicationPrivate::notify_helper (this=0x21c7d20, receiver=0x7f4574004100, e=0x2d5d830) at kernel/qapplication.cpp:4300
#30 0x00007f458adb76fb in QApplication::notify (this=0x7fffe58baed0, receiver=0x7f4574004100, e=0x2d5d830) at kernel/qapplication.cpp:4183
#31 0x00007f458d047526 in KApplication::notify (this=0x7fffe58baed0, receiver=0x7f4574004100, event=0x2d5d830) at ../../kdeui/kernel/kapplication.cpp:302
#32 0x00007f458be8e06c in QCoreApplication::notifyInternal (this=0x7fffe58baed0, receiver=0x7f4574004100, event=0x2d5d830) at kernel/qcoreapplication.cpp:704
#33 0x00007f458be907e7 in QCoreApplication::sendEvent (receiver=0x0, event_type=<value optimized out>, data=0x21a2380) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#34 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<value optimized out>, data=0x21a2380) at kernel/qcoreapplication.cpp:1345
#35 0x00007f458beb79d3 in QCoreApplication::sendPostedEvents (s=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#36 postEventSourceDispatch (s=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:276
#37 0x00007f458616f8c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#38 0x00007f4586173748 in ?? () from /lib/libglib-2.0.so.0
#39 0x00007f45861738fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#40 0x00007f458beb7513 in QEventDispatcherGlib::processEvents (this=0x21ceef0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#41 0x00007f458ae6146e in QGuiEventDispatcherGlib::processEvents (this=0x275c3e0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#42 0x00007f458be8c992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#43 0x00007f458be8cd6c in QEventLoop::exec (this=0x7fffe58b7220, flags=) at kernel/qeventloop.cpp:201
#44 0x00007f458b27b09e in QDialog::exec (this=0x7fffe58b7420) at dialogs/qdialog.cpp:546
#45 0x00000000005411f7 in K3b::JobProgressDialog::startJob (this=0x7fffe58b7420, job=<value optimized out>) at /build/buildd/k3b-1.91.0~rc2/src/k3bjobprogressdialog.cpp:632
#46 0x0000000000460b5d in K3b::ImageWritingDialog::slotStartClicked (this=0x7fffe58b9340) at /build/buildd/k3b-1.91.0~rc2/src/misc/k3bimagewritingdialog.cpp:505
#47 0x000000000054d6c2 in K3b::InteractionDialog::slotStartClickedInternal (this=0x7fffe58b9340) at /build/buildd/k3b-1.91.0~rc2/src/k3binteractiondialog.cpp:312
#48 0x000000000054de8d in K3b::InteractionDialog::qt_metacall (this=0x7fffe58b9340, _c=QMetaObject::InvokeMetaMethod, _id=3, _a=0x7fffe58b7ba0)
    at /build/buildd/k3b-1.91.0~rc2/obj-x86_64-linux-gnu/src/k3binteractiondialog.moc:161
#49 0x000000000045fa20 in K3b::ImageWritingDialog::qt_metacall (this=0x275c3e0, _c=36900256, _id=41275072, _a=0x59bfd0)
    at /build/buildd/k3b-1.91.0~rc2/obj-x86_64-linux-gnu/src/k3bimagewritingdialog.moc:74
#50 0x00007f458bea0e3f in QMetaObject::activate (sender=0x2b44810, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x59bfd0) at kernel/qobject.cpp:3293
#51 0x00007f458b44c5f2 in QAbstractButton::clicked (this=0x275c3e0, _t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:206
#52 0x00007f458b16686b in QAbstractButtonPrivate::emitClicked (this=0x283dfa0) at widgets/qabstractbutton.cpp:546
#53 0x00007f458b16770b in QAbstractButtonPrivate::click (this=0x283dfa0) at widgets/qabstractbutton.cpp:539
#54 0x00007f458b16797c in QAbstractButton::mouseReleaseEvent (this=0x2b44810, e=0x7fffe58b84f0) at widgets/qabstractbutton.cpp:1121
#55 0x00007f458ae07582 in QWidget::event (this=0x2b44810, event=0x7fffe58b84f0) at kernel/qwidget.cpp:7998
#56 0x00007f458adb122c in QApplicationPrivate::notify_helper (this=0x21c7d20, receiver=0x2b44810, e=0x7fffe58b84f0) at kernel/qapplication.cpp:4300
#57 0x00007f458adb7ecb in QApplication::notify (this=0x7fffe58baed0, receiver=0x2b44810, e=0x7fffe58b84f0) at kernel/qapplication.cpp:3865
#58 0x00007f458d047526 in KApplication::notify (this=0x7fffe58baed0, receiver=0x2b44810, event=0x7fffe58b84f0) at ../../kdeui/kernel/kapplication.cpp:302
#59 0x00007f458be8e06c in QCoreApplication::notifyInternal (this=0x7fffe58baed0, receiver=0x2b44810, event=0x7fffe58b84f0) at kernel/qcoreapplication.cpp:704
#60 0x00007f458adb70ae in QCoreApplication::sendEvent (receiver=0x2b44810, event=0x7fffe58b84f0, alienWidget=0x2b44810, nativeWidget=0x2d866b0, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>, spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#61 QApplicationPrivate::sendMouseEvent (receiver=0x2b44810, event=0x7fffe58b84f0, alienWidget=0x2b44810, nativeWidget=0x2d866b0, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>, spontaneous=true) at kernel/qapplication.cpp:2965
#62 0x00007f458ae36f65 in QETWidget::translateMouseEvent (this=0x2d866b0, event=<value optimized out>) at kernel/qapplication_x11.cpp:4368
#63 0x00007f458ae358ac in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fffe58b8e10) at kernel/qapplication_x11.cpp:3501
#64 0x00007f458ae61882 in x11EventSourceDispatch (s=0x21d9e30, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#65 0x00007f458616f8c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#66 0x00007f4586173748 in ?? () from /lib/libglib-2.0.so.0
#67 0x00007f45861738fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#68 0x00007f458beb7513 in QEventDispatcherGlib::processEvents (this=0x21ceef0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#69 0x00007f458ae6146e in QGuiEventDispatcherGlib::processEvents (this=0x275c3e0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#70 0x00007f458be8c992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#71 0x00007f458be8cd6c in QEventLoop::exec (this=0x7fffe58b9140, flags=) at kernel/qeventloop.cpp:201
#72 0x00007f458b27b09e in QDialog::exec (this=0x7fffe58b9340) at dialogs/qdialog.cpp:546
#73 0x000000000054d1d2 in K3b::InteractionDialog::exec (this=0x7fffe58b9340) at /build/buildd/k3b-1.91.0~rc2/src/k3binteractiondialog.cpp:526
#74 0x000000000052b60b in K3b::MainWindow::slotWriteImage (this=<value optimized out>) at /build/buildd/k3b-1.91.0~rc2/src/k3b.cpp:1356
#75 0x0000000000534744 in K3b::MainWindow::qt_metacall (this=0x7f4574004100, _c=QMetaObject::InvokeMetaMethod, _id=3, _a=0x7fffe58b9580)
    at /build/buildd/k3b-1.91.0~rc2/obj-x86_64-linux-gnu/src/k3b.moc:176
#76 0x00007f458bea0e3f in QMetaObject::activate (sender=0x7f457401c1b0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x59bfd0) at kernel/qobject.cpp:3293
#77 0x00007f458adab032 in QAction::triggered (this=0x275c3e0, _t1=false) at .moc/release-shared/moc_qaction.cpp:263
#78 0x00007f458adad0ab in QAction::activate (this=0x7f457401c1b0, event=<value optimized out>) at kernel/qaction.cpp:1255
#79 0x00007f458b1ec39d in QMenuPrivate::activateCausedStack (this=<value optimized out>, causedStack=..., action=0x7f457401c1b0, action_e=QAction::Trigger, self=true) at widgets/qmenu.cpp:1011
#80 0x00007f458b1f1dda in QMenuPrivate::activateAction (this=0x7f4574052b10, action=0x7f457401c1b0, action_e=QAction::Trigger, self=<value optimized out>) at widgets/qmenu.cpp:1103
#81 0x00007f458d123cee in KMenu::mouseReleaseEvent (this=0x7f4574052910, e=0x2330da0) at ../../kdeui/widgets/kmenu.cpp:471
#82 0x00007f458ae07582 in QWidget::event (this=0x7f4574052910, event=0x7fffe58ba1d0) at kernel/qwidget.cpp:7998
#83 0x00007f458b1f3f9b in QMenu::event (this=0x7f4574052910, e=0x7fffe58ba1d0) at widgets/qmenu.cpp:2414
#84 0x00007f458adb122c in QApplicationPrivate::notify_helper (this=0x21c7d20, receiver=0x7f4574052910, e=0x7fffe58ba1d0) at kernel/qapplication.cpp:4300
#85 0x00007f458adb7ecb in QApplication::notify (this=0x7fffe58baed0, receiver=0x7f4574052910, e=0x7fffe58ba1d0) at kernel/qapplication.cpp:3865
#86 0x00007f458d047526 in KApplication::notify (this=0x7fffe58baed0, receiver=0x7f4574052910, event=0x7fffe58ba1d0) at ../../kdeui/kernel/kapplication.cpp:302
#87 0x00007f458be8e06c in QCoreApplication::notifyInternal (this=0x7fffe58baed0, receiver=0x7f4574052910, event=0x7fffe58ba1d0) at kernel/qcoreapplication.cpp:704
#88 0x00007f458adb70ae in QCoreApplication::sendEvent (receiver=0x7f4574052910, event=0x7fffe58ba1d0, alienWidget=0x0, nativeWidget=0x7f4574052910, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>, spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#89 QApplicationPrivate::sendMouseEvent (receiver=0x7f4574052910, event=0x7fffe58ba1d0, alienWidget=0x0, nativeWidget=0x7f4574052910, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>, spontaneous=true) at kernel/qapplication.cpp:2965
#90 0x00007f458ae373dd in QETWidget::translateMouseEvent (this=0x7f4574052910, event=<value optimized out>) at kernel/qapplication_x11.cpp:4302
#91 0x00007f458ae358ac in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fffe58baaf0) at kernel/qapplication_x11.cpp:3501
#92 0x00007f458ae61882 in x11EventSourceDispatch (s=0x21d9e30, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#93 0x00007f458616f8c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#94 0x00007f4586173748 in ?? () from /lib/libglib-2.0.so.0
#95 0x00007f45861738fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#96 0x00007f458beb7513 in QEventDispatcherGlib::processEvents (this=0x21ceef0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#97 0x00007f458ae6146e in QGuiEventDispatcherGlib::processEvents (this=0x275c3e0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#98 0x00007f458be8c992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#99 0x00007f458be8cd6c in QEventLoop::exec (this=0x7fffe58bae20, flags=) at kernel/qeventloop.cpp:201
#100 0x00007f458be90aab in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#101 0x0000000000536b78 in main (argc=<value optimized out>, argv=<value optimized out>) at /build/buildd/k3b-1.91.0~rc2/src/main.cpp:165

Reported using DrKonqi